METHOD, APPARATUS AND COMPUTER PROGRAM FOR CALCULATING AND ADJUSTING THE PERCEIVED LOUDNESS OF AN AUDIO SIGNAL - Patent 1629463

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EP 1 629 463 A2

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(88)	Date of publication A3:
	11.08.2005

(43)	Date of publication:
	01.03.2006 Bulletin 2006/09

(21)	Application number: 04776174.7

(22)	Date of filing: 27.05.2004

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International Patent Classification (IPC):

G10L 11/00^(2000.01)

(86)	International application number:
	PCT/US2004/016964

(87)	International publication number:
	WO 2004/111994 (23.12.2004 Gazette 2004/52)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL HR LT LV MK

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Priority:

28.05.2003 US 474077 P

(71)	Applicant: DOLBY LABORATORIES LICENSING CORPORATION
	San Francisco California 94103 (US)

(72)	Inventors:
	SEEFELDT, Alan, Jeffrey San Francisco, CA 94103 (US) SMITHERS, Michael, J. San Francisco, CA 94103 (US) CROCKETT, Brett, Graham San Francisco, CA 94103 (US)

(74)	Representative: Hoffmann, Eckart
	Bahnhofstrasse 103 82166 Gräfelfing 82166 Gräfelfing (DE)

(54)	METHOD, APPARATUS AND COMPUTER PROGRAM FOR CALCULATING AND ADJUSTING THE PERCEIVED LOUDNESS OF AN AUDIO SIGNAL